NCP1246
TYPICAL CHARACTERISTIC
40
38
36
34
32
30
28
26
24
22
20
−50 −25 0
25 50 75 100 125
TEMPERATURE (°C)
Figure 3. Minimum Current Source Operation
VHV(min)
32
30
28
26
24
22
20
−50 −25 0
25 50 75 100 125
TEMPERATURE (°C)
Figure 4. Off−State Leakage Current Istart(off)
50
8.8
45
IHV(off) @ VHV = 325 V
8.7
8.6
40
8.5
35
IHV(off) @ VHV = 141 V
8.4
30
8.3
25
8.2
20
−50 −25 0
25 50 75 100 125
TEMPERATURE (°C)
Figure 5. Off−Mode HV Supply Current IHV(off)
120
118
116
114
112
110
108
106
104
102
100
−50 −25 0
25 50 75 100 125
TEMPERATURE (°C)
Figure 7. Brown−out Device Start Threshold
VHV(start)
8.1
−50 −25 0
25 50 75 100 125
TEMPERATURE (°C)
Figure 6. High Voltage Startup Current
Flowing Out of VCC Pin Istart2
120
118
116
114
112
110
108
106
104
102
100
−50 −25 0
25 50 75 100 125
TEMPERATURE (°C)
Figure 8. Brown−out Device Stop Threshold
VHV(stop)
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